How to dig holes in clay
Clay can be a real pain to dig in. Whether its footers for a backyard deck or simply potted plants, this is a great way to make it easier.
Mark your hole
Remove the top layer of clay from the marked area

Drill small holes throughout the marked area

Drill as deep as you possibly can.
Fill the hole with water

Wait around 3 hours
This will vary based on the specific soil.
Dig away

If the soil is still hard, add water and more time.